Extended Range Tornado Activity Forecasts (ERTAF)

 

ERTAF 2018 has concluded!

FCSTDATE

FCST2START

FCST2END

FCST3START

FCST3END

CLIMO2

CLIMO3

ACT2

ACT3

PN2

PN3

ACT2C

ACT3C

FCST2

FCST3

VERF2

VERF3
3/4/2018 3/11/2018 3/17/2018 3/18/2018 3/24/2018 15 14 2 31 13% 221% BA AA BA AA 1 1
3/11/2018 3/18/2018 3/24/2018 3/25/2018 3/31/2018 14 23 31 18 221% 78% AA A AA AA 1 0
3/18/2018 3/25/2018 3/31/2018 4/1/2018 4/7/2018 23 26 18 41 78% 158% A AA A A 1 0
3/25/2018 4/1/2018 4/7/2018 4/8/2018 4/14/2018 26 34 41 33 158% 97% AA A BA BA -1 0
4/1/2018 4/8/2018 4/14/2018 4/15/2018 4/21/2018 34 40 33 19 97% 48% A BA BA A 0 0
4/8/2018 4/15/2018 4/21/2018 4/22/2018 4/28/2018 40 54 19 12 48% 22% BA BA BA A 1 0
4/15/2018 4/22/2018 4/28/2018 4/29/2018 5/5/2018 54 47 12 45 22% 96% BA A BA A 1 1
4/22/2018 4/29/2018 5/5/2018 5/6/2018 5/12/2018 47 64 45 6 96% 9% A BA A A 1 0
4/29/2018 5/6/2018 5/12/2018 5/13/2018 5/19/2018 64 53 6 30 9% 57% BA BA BA A 1 0
5/6/2018 5/13/2018 5/19/2018 5/20/2018 5/26/2018 53 60 30 12 57% 20% BA BA BA A 1 0
5/13/2018 5/20/2018 5/26/2018 5/27/2018 6/2/2018 60 63 12 78 20% 124% BA A BA BA 1 0
5/20/2018 5/27/2018 6/2/2018 6/3/2018 6/9/2018 63 63 78 21 124% 33% A BA BA BA 0 1
5/27/2018 6/3/2018 6/9/2018 6/10/2018 6/16/2018 63 56 21 19 33% 34% BA BA BA BA 1 1
6/3/2018 6/10/2018 6/16/2018 6/17/2018 6/23/2018 56 47 19 47 34% 100% BA A BA BA 1 0
6/10/2018 6/17/2018 6/23/2018 6/24/2018 6/30/2018 47 42 47 47 100% 119% A A BA BA 0 0
6/17/2018 6/24/2018 6/30/2018     42   47   119%   A   BA   0  

 

All tornado report data is from the Storm Prediction Center and should be considered preliminary pending final review.

 

 

 

Verification Legend

-1

0

1

More than 50% of Normal Error

No More than 50% of Normal Error

Correct % of Normal Threshold

Forecast & Verification Archive : 2015 | 2016 | 2017 |

An information page with explanation of column headers can be found here.
 

© 2015-2018  Victor Gensini